package co.edu.usbcali.museo.presentation.backEndBeans;

import co.edu.usbcali.museo.exceptions.ExceptionMessages;
import co.edu.usbcali.museo.modelo.Autor;
import co.edu.usbcali.museo.modelo.Cuadro;
import co.edu.usbcali.museo.modelo.Museo;
import co.edu.usbcali.museo.modelo.Periodo;
import co.edu.usbcali.museo.modelo.Restauracion;
import co.edu.usbcali.museo.modelo.Sesion;
import co.edu.usbcali.museo.modelo.Tecnica;
import co.edu.usbcali.museo.modelo.Tipoestado;
import co.edu.usbcali.museo.modelo.control.AutorLogic;
import co.edu.usbcali.museo.modelo.control.CuadroLogic;
import co.edu.usbcali.museo.modelo.control.IAutorLogic;
import co.edu.usbcali.museo.modelo.control.ICuadroLogic;
import co.edu.usbcali.museo.modelo.control.IMuseoLogic;
import co.edu.usbcali.museo.modelo.control.IPeriodoLogic;
import co.edu.usbcali.museo.modelo.control.IRestauracionLogic;
import co.edu.usbcali.museo.modelo.control.ISesionLogic;
import co.edu.usbcali.museo.modelo.control.ITecnicaLogic;
import co.edu.usbcali.museo.modelo.control.ITipoestadoLogic;
import co.edu.usbcali.museo.modelo.control.MuseoLogic;
import co.edu.usbcali.museo.modelo.control.PeriodoLogic;
import co.edu.usbcali.museo.modelo.control.RestauracionLogic;
import co.edu.usbcali.museo.modelo.control.SesionLogic;
import co.edu.usbcali.museo.modelo.control.TecnicaLogic;
import co.edu.usbcali.museo.modelo.control.TipoestadoLogic;
import co.edu.usbcali.museo.modelo.dto.SesionDTO;
import co.edu.usbcali.museo.presentation.businessDelegate.BusinessDelegatorView;
import co.edu.usbcali.museo.utilities.DataPage;
import co.edu.usbcali.museo.utilities.DataSource;
import co.edu.usbcali.museo.utilities.PagedListDataModel;
import co.edu.usbcali.museo.utilities.Utilities;

import com.icesoft.faces.async.render.RenderManager;
import com.icesoft.faces.async.render.Renderable;
import com.icesoft.faces.component.ext.HtmlCommandButton;
import com.icesoft.faces.component.ext.HtmlInputText;
import com.icesoft.faces.component.selectinputdate.SelectInputDate;
import com.icesoft.faces.context.DisposableBean;
import com.icesoft.faces.webapp.xmlhttp.FatalRenderingException;
import com.icesoft.faces.webapp.xmlhttp.PersistentFacesState;
import com.icesoft.faces.webapp.xmlhttp.RenderingException;
import com.icesoft.faces.webapp.xmlhttp.TransientRenderingException;

import java.math.BigDecimal;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Set;
import java.util.TimeZone;
import java.util.Vector;

import javax.faces.application.FacesMessage;
import javax.faces.context.FacesContext;
import javax.faces.event.ValueChangeEvent;
import javax.faces.model.DataModel;


/**
 *
 * @author Zathura Code Generator http://code.google.com/p/zathura,
 *
 */
public class SesionView extends DataSource implements Renderable,
    DisposableBean {
    private HtmlInputText txtCostopordia;
    private HtmlInputText txtCodcuadro_Cuadro;
    private HtmlInputText txtCodmuseo_Museo;
    private HtmlInputText txtCodsesion;
    private SelectInputDate txtFechaactual;
    private SelectInputDate txtFechaposibledevolucion;
    private HtmlCommandButton btnSave;
    private HtmlCommandButton btnModify;
    private HtmlCommandButton btnDelete;
    private HtmlCommandButton btnClear;
    private boolean renderDataTable;
    private boolean flag = true;
    private RenderManager renderManager;
    private PersistentFacesState state = PersistentFacesState.getInstance();
    private List<Sesion> sesion;
    private List<SesionDTO> sesionDTO;

    public SesionView() {
        super("");
    }

    public String action_clear() {
        txtCostopordia.setValue(null);
        txtCostopordia.setDisabled(true);
        txtCodcuadro_Cuadro.setValue(null);
        txtCodcuadro_Cuadro.setDisabled(true);
        txtCodmuseo_Museo.setValue(null);
        txtCodmuseo_Museo.setDisabled(true);
        txtFechaactual.setValue(null);
        txtFechaactual.setDisabled(true);
        txtFechaposibledevolucion.setValue(null);
        txtFechaposibledevolucion.setDisabled(true);
        txtCodsesion.setValue(null);
        txtCodsesion.setDisabled(false);
        btnSave.setDisabled(true);
        btnDelete.setDisabled(true);
        btnModify.setDisabled(true);
        btnClear.setDisabled(false);

        return "";
    }

    public void listener_txtId(ValueChangeEvent event) {
        if ((event.getNewValue() != null) && !event.getNewValue().equals("")) {
            Sesion entity = null;

            try {
                Long codsesion = new Long(txtCodsesion.getValue().toString());
                entity = BusinessDelegatorView.getSesion(codsesion);
            } catch (Exception e) {
                // TODO: handle exception
            }

            if (entity == null) {
                txtCostopordia.setDisabled(false);
                txtCodcuadro_Cuadro.setDisabled(false);
                txtCodmuseo_Museo.setDisabled(false);
                txtFechaactual.setDisabled(false);
                txtFechaposibledevolucion.setDisabled(false);
                txtCodsesion.setDisabled(false);
                btnSave.setDisabled(false);
                btnDelete.setDisabled(true);
                btnModify.setDisabled(true);
                btnClear.setDisabled(false);
            } else {
                txtCostopordia.setValue(entity.getCostopordia());
                txtCostopordia.setDisabled(false);
                txtFechaactual.setValue(entity.getFechaactual());
                txtFechaactual.setDisabled(false);
                txtFechaposibledevolucion.setValue(entity.getFechaposibledevolucion());
                txtFechaposibledevolucion.setDisabled(false);
                txtCodcuadro_Cuadro.setValue(entity.getCuadro().getCodcuadro());
                txtCodcuadro_Cuadro.setDisabled(false);
                txtCodmuseo_Museo.setValue(entity.getMuseo().getCodmuseo());
                txtCodmuseo_Museo.setDisabled(false);
                txtCodsesion.setValue(entity.getCodsesion());
                txtCodsesion.setDisabled(true);
                btnSave.setDisabled(true);
                btnDelete.setDisabled(false);
                btnModify.setDisabled(false);
                btnClear.setDisabled(false);
            }
        }
    }

    public String action_save() {
        try {
            BusinessDelegatorView.saveSesion((((txtCodsesion.getValue()) == null) ||
                (txtCodsesion.getValue()).equals("")) ? null
                                                      : new Long(
                    txtCodsesion.getValue().toString()),
                (((txtCostopordia.getValue()) == null) ||
                (txtCostopordia.getValue()).equals("")) ? null
                                                        : new Double(
                    txtCostopordia.getValue().toString()),
                (((txtFechaactual.getValue()) == null) ||
                (txtFechaactual.getValue()).equals("")) ? null
                                                        : (Date) txtFechaactual.getValue(),
                (((txtFechaposibledevolucion.getValue()) == null) ||
                (txtFechaposibledevolucion.getValue()).equals("")) ? null
                                                                   : (Date) txtFechaposibledevolucion.getValue(),
                (((txtCodcuadro_Cuadro.getValue()) == null) ||
                (txtCodcuadro_Cuadro.getValue()).equals("")) ? null
                                                             : new Long(
                    txtCodcuadro_Cuadro.getValue().toString()),
                (((txtCodmuseo_Museo.getValue()) == null) ||
                (txtCodmuseo_Museo.getValue()).equals("")) ? null
                                                           : new Long(
                    txtCodmuseo_Museo.getValue().toString()));
            FacesContext.getCurrentInstance()
                        .addMessage("",
                new FacesMessage(ExceptionMessages.ENTITY_SUCCESFULLYSAVED));
        } catch (Exception e) {
            FacesContext.getCurrentInstance()
                        .addMessage("", new FacesMessage(e.getMessage()));
        }

        action_clear();

        return "";
    }

    public String action_delete() {
        try {
            BusinessDelegatorView.deleteSesion((((txtCodsesion.getValue()) == null) ||
                (txtCodsesion.getValue()).equals("")) ? null
                                                      : new Long(
                    txtCodsesion.getValue().toString()));
            FacesContext.getCurrentInstance()
                        .addMessage("",
                new FacesMessage(ExceptionMessages.ENTITY_SUCCESFULLYDELETED));
        } catch (Exception e) {
            FacesContext.getCurrentInstance()
                        .addMessage("", new FacesMessage(e.getMessage()));
        }

        action_clear();

        return "";
    }

    public String action_modify() {
        try {
            BusinessDelegatorView.updateSesion((((txtCodsesion.getValue()) == null) ||
                (txtCodsesion.getValue()).equals("")) ? null
                                                      : new Long(
                    txtCodsesion.getValue().toString()),
                (((txtCostopordia.getValue()) == null) ||
                (txtCostopordia.getValue()).equals("")) ? null
                                                        : new Double(
                    txtCostopordia.getValue().toString()),
                (((txtFechaactual.getValue()) == null) ||
                (txtFechaactual.getValue()).equals("")) ? null
                                                        : (Date) txtFechaactual.getValue(),
                (((txtFechaposibledevolucion.getValue()) == null) ||
                (txtFechaposibledevolucion.getValue()).equals("")) ? null
                                                                   : (Date) txtFechaposibledevolucion.getValue(),
                (((txtCodcuadro_Cuadro.getValue()) == null) ||
                (txtCodcuadro_Cuadro.getValue()).equals("")) ? null
                                                             : new Long(
                    txtCodcuadro_Cuadro.getValue().toString()),
                (((txtCodmuseo_Museo.getValue()) == null) ||
                (txtCodmuseo_Museo.getValue()).equals("")) ? null
                                                           : new Long(
                    txtCodmuseo_Museo.getValue().toString()));
            FacesContext.getCurrentInstance()
                        .addMessage("",
                new FacesMessage(ExceptionMessages.ENTITY_SUCCESFULLYMODIFIED));
        } catch (Exception e) {
            FacesContext.getCurrentInstance()
                        .addMessage("", new FacesMessage(e.getMessage()));
        }

        action_clear();

        return "";
    }

    public String action_modifyWitDTO(Long codsesion, Double costopordia,
        Date fechaactual, Date fechaposibledevolucion, Long codcuadro_Cuadro,
        Long codmuseo_Museo) throws Exception {
        try {
            BusinessDelegatorView.updateSesion(codsesion, costopordia,
                fechaactual, fechaposibledevolucion, codcuadro_Cuadro,
                codmuseo_Museo);
            renderManager.getOnDemandRenderer("SesionView").requestRender();
            FacesContext.getCurrentInstance()
                        .addMessage("",
                new FacesMessage(ExceptionMessages.ENTITY_SUCCESFULLYMODIFIED));
        } catch (Exception e) {
            //renderManager.getOnDemandRenderer("SesionView").requestRender();
            FacesContext.getCurrentInstance()
                        .addMessage("", new FacesMessage(e.getMessage()));
            throw e;
        }

        return "";
    }

    public List<Sesion> getSesion() {
        if (flag) {
            try {
                sesion = BusinessDelegatorView.getSesion();
                flag = false;
            } catch (Exception e) {
                flag = true;
                FacesContext.getCurrentInstance()
                            .addMessage("", new FacesMessage(e.getMessage()));
            }
        }

        return sesion;
    }

    public boolean isFlag() {
        return flag;
    }

    public void setSesion(List<Sesion> sesion) {
        this.sesion = sesion;
    }

    public boolean isRenderDataTable() {
        try {
            if (flag) {
                if (BusinessDelegatorView.findTotalNumberSesion() > 0) {
                    renderDataTable = true;
                } else {
                    renderDataTable = false;
                }
            }

            flag = false;
        } catch (Exception e) {
            renderDataTable = false;
            e.printStackTrace();
        }

        return renderDataTable;
    }

    public DataModel getData() {
        state = PersistentFacesState.getInstance();

        if (onePageDataModel == null) {
            onePageDataModel = new LocalDataModel(pageSize);
        }

        return onePageDataModel;
    }

    /**
    * This is where the Object data is retrieved from the database and
    * returned as a list of objects for display in the UI.
    */
    private DataPage<Sesion> getDataPage(int startRow, int pageSize) {
        // Retrieve the total number of objects from the database.  This
        // number is required by the DataPage object so the paginator will know
        // the relative location of the page data.
        int totalNumberSesion = 0;

        try {
            totalNumberSesion = BusinessDelegatorView.findTotalNumberSesion()
                                                     .intValue();
        } catch (Exception e) {
            FacesContext.getCurrentInstance()
                        .addMessage("", new FacesMessage(e.getMessage()));
        }

        // Calculate indices to be displayed in the ui.
        int endIndex = startRow + pageSize;

        if (endIndex > totalNumberSesion) {
            endIndex = totalNumberSesion;
        }

        try {
            sesion = BusinessDelegatorView.findPageSesion(sortColumnName,
                    sortAscending, startRow, endIndex - startRow);

            // Remove this Renderable from the existing render groups.
            //leaveRenderGroups();        			
        } catch (Exception e) {
            FacesContext.getCurrentInstance()
                        .addMessage("", new FacesMessage(e.getMessage()));
        }

        // Add this Renderable to the new render groups.
        //joinRenderGroups();
        // Reset the dirtyData flag.
        onePageDataModel.setDirtyData(false);
        // This is required when using Hibernate JPA.  If the EntityManager is not
        // cleared or closed objects are cached and stale objects will show up
        // in the table.
        // This way, the detached objects are reread from the database.
        // This call is not required with TopLink JPA, which uses a Query Hint
        // to clear the l2 cache in the DAO.
        //EntityManagerHelper.getEntityManager().clear();
        flag = true;

        return new DataPage<Sesion>(totalNumberSesion, startRow, sesion);
    }

    public DataModel getDataDTO() {
        state = PersistentFacesState.getInstance();

        if (onePageDataModel == null) {
            onePageDataModel = new LocalDataModelDTO(pageSize);
        }

        return onePageDataModel;
    }

    /**
    * This is where the Object data is retrieved from the database and
    * returned as a list of objects for display in the UI.
    */
    private DataPage<SesionDTO> getDataPageDTO(int startRow, int pageSize) {
        // Retrieve the total number of objects from the database.  This
        // number is required by the DataPage object so the paginator will know
        // the relative location of the page data.
        int totalNumberSesion = 0;

        try {
            totalNumberSesion = BusinessDelegatorView.findTotalNumberSesion()
                                                     .intValue();
        } catch (Exception e) {
            FacesContext.getCurrentInstance()
                        .addMessage("", new FacesMessage(e.getMessage()));
        }

        // Calculate indices to be displayed in the ui.
        int endIndex = startRow + pageSize;

        if (endIndex > totalNumberSesion) {
            endIndex = totalNumberSesion;
        }

        try {
            sesion = BusinessDelegatorView.findPageSesion(sortColumnName,
                    sortAscending, startRow, endIndex - startRow);

            if (Utilities.validationsList(sesion)) {
                sesionDTO = new ArrayList<SesionDTO>();

                for (Sesion sesionTmp : sesion) {
                    SesionDTO sesionDTO2 = new SesionDTO();
                    sesionDTO2.setCodsesion(sesionTmp.getCodsesion().toString());
                    sesionDTO2.setCostopordia((sesionTmp.getCostopordia() != null)
                        ? sesionTmp.getCostopordia().toString() : null);
                    sesionDTO2.setFechaactual(sesionTmp.getFechaactual());
                    sesionDTO2.setFechaposibledevolucion(sesionTmp.getFechaposibledevolucion());
                    sesionDTO2.setCodcuadro_Cuadro((sesionTmp.getCuadro()
                                                             .getCodcuadro() != null)
                        ? sesionTmp.getCuadro().getCodcuadro().toString() : null);
                    sesionDTO2.setCodmuseo_Museo((sesionTmp.getMuseo()
                                                           .getCodmuseo() != null)
                        ? sesionTmp.getMuseo().getCodmuseo().toString() : null);
                    sesionDTO2.setSesion(sesionTmp);
                    sesionDTO2.setSesionView(this);
                    sesionDTO.add(sesionDTO2);
                }
            }

            // Remove this Renderable from the existing render groups.
            leaveRenderGroups();
        } catch (Exception e) {
            FacesContext.getCurrentInstance()
                        .addMessage("", new FacesMessage(e.getMessage()));
        }

        // Add this Renderable to the new render groups.
        joinRenderGroups();
        // Reset the dirtyData flag.
        onePageDataModel.setDirtyData(false);
        // This is required when using Hibernate JPA.  If the EntityManager is not
        // cleared or closed objects are cached and stale objects will show up
        // in the table.
        // This way, the detached objects are reread from the database.
        // This call is not required with TopLink JPA, which uses a Query Hint
        // to clear the l2 cache in the DAO.
        //EntityManagerHelper.getEntityManager().clear();
        flag = true;

        return new DataPage<SesionDTO>(totalNumberSesion, startRow, sesionDTO);
    }

    protected boolean isDefaultAscending(String sortColumn) {
        return true;
    }

    /**
    * This method is called when a render call is made from the server. Render
    * calls are only made to views containing an updated record. The data is
    * marked as dirty to trigger a fetch of the updated record from the
    * database before rendering takes place.
    */
    public PersistentFacesState getState() {
        onePageDataModel.setDirtyData();

        return state;
    }

    /**
    * This method is called from faces-config.xml with each new session.
    */
    public void setRenderManager(RenderManager renderManager) {
        this.renderManager = renderManager;
    }

    public void renderingException(RenderingException arg0) {
        if (arg0 instanceof TransientRenderingException) {
        } else if (arg0 instanceof FatalRenderingException) {
            // Remove from existing Customer render groups.
            leaveRenderGroups();
        }
    }

    /**
    * Remove this Renderable from existing uiCustomerBeans render groups.
    * OnDemandRenderers are named/created using the underlying Customer Number.
    */
    private void leaveRenderGroups() {
        if (Utilities.validationsList(sesionDTO)) {
            for (SesionDTO sesionTmp : sesionDTO) {
                renderManager.getOnDemandRenderer("SesionView").remove(this);
            }
        }
    }

    /**
    * Add this Renderable to the new uiCustomerBeans render groups.
    * OnDemandRenderers are named/created using the underlying Customer Number.
    */
    private void joinRenderGroups() {
        if (Utilities.validationsList(sesionDTO)) {
            for (SesionDTO sesionTmp : sesionDTO) {
                renderManager.getOnDemandRenderer("SesionView").add(this);
            }
        }
    }

    public void dispose() throws Exception {
    }

    public RenderManager getRenderManager() {
        return renderManager;
    }

    public void setState(PersistentFacesState state) {
        this.state = state;
    }

    public HtmlInputText getTxtCostopordia() {
        return txtCostopordia;
    }

    public void setTxtCostopordia(HtmlInputText txtCostopordia) {
        this.txtCostopordia = txtCostopordia;
    }

    public HtmlInputText getTxtCodcuadro_Cuadro() {
        return txtCodcuadro_Cuadro;
    }

    public void setTxtCodcuadro_Cuadro(HtmlInputText txtCodcuadro_Cuadro) {
        this.txtCodcuadro_Cuadro = txtCodcuadro_Cuadro;
    }

    public HtmlInputText getTxtCodmuseo_Museo() {
        return txtCodmuseo_Museo;
    }

    public void setTxtCodmuseo_Museo(HtmlInputText txtCodmuseo_Museo) {
        this.txtCodmuseo_Museo = txtCodmuseo_Museo;
    }

    public SelectInputDate getTxtFechaactual() {
        return txtFechaactual;
    }

    public void setTxtFechaactual(SelectInputDate txtFechaactual) {
        this.txtFechaactual = txtFechaactual;
    }

    public SelectInputDate getTxtFechaposibledevolucion() {
        return txtFechaposibledevolucion;
    }

    public void setTxtFechaposibledevolucion(
        SelectInputDate txtFechaposibledevolucion) {
        this.txtFechaposibledevolucion = txtFechaposibledevolucion;
    }

    public HtmlInputText getTxtCodsesion() {
        return txtCodsesion;
    }

    public void setTxtCodsesion(HtmlInputText txtCodsesion) {
        this.txtCodsesion = txtCodsesion;
    }

    public HtmlCommandButton getBtnSave() {
        return btnSave;
    }

    public void setBtnSave(HtmlCommandButton btnSave) {
        this.btnSave = btnSave;
    }

    public HtmlCommandButton getBtnModify() {
        return btnModify;
    }

    public void setBtnModify(HtmlCommandButton btnModify) {
        this.btnModify = btnModify;
    }

    public HtmlCommandButton getBtnDelete() {
        return btnDelete;
    }

    public void setBtnDelete(HtmlCommandButton btnDelete) {
        this.btnDelete = btnDelete;
    }

    public HtmlCommandButton getBtnClear() {
        return btnClear;
    }

    public void setBtnClear(HtmlCommandButton btnClear) {
        this.btnClear = btnClear;
    }

    public void setRenderDataTable(boolean renderDataTable) {
        this.renderDataTable = renderDataTable;
    }

    public void setFlag(boolean flag) {
        this.flag = flag;
    }

    public List<SesionDTO> getSesionDTO() {
        return sesionDTO;
    }

    public void setSesionDTO(List<SesionDTO> sesionDTO) {
        this.sesionDTO = sesionDTO;
    }

    public TimeZone getTimeZone() {
        return java.util.TimeZone.getDefault();
    }

    /**
    * A special type of JSF DataModel to allow a datatable and datapaginator
    * to page through a large set of data without having to hold the entire
    * set of data in memory at once.
    * Any time a managed bean wants to avoid holding an entire dataset,
    * the managed bean declares this inner class which extends PagedListDataModel
    * and implements the fetchData method. fetchData is called
    * as needed when the table requires data that isn't available in the
    * current data page held by this object.
    * This requires the managed bean (and in general the business
    * method that the managed bean uses) to provide the data wrapped in
    * a DataPage object that provides info on the full size of the dataset.
    */
    private class LocalDataModel extends PagedListDataModel {
        public LocalDataModel(int pageSize) {
            super(pageSize);
        }

        public DataPage<Sesion> fetchPage(int startRow, int pageSize) {
            // call enclosing managed bean method to fetch the data
            return getDataPage(startRow, pageSize);
        }
    }

    private class LocalDataModelDTO extends PagedListDataModel {
        public LocalDataModelDTO(int pageSize) {
            super(pageSize);
        }

        public DataPage<SesionDTO> fetchPage(int startRow, int pageSize) {
            // call enclosing managed bean method to fetch the data
            return getDataPageDTO(startRow, pageSize);
        }
    }
}
